SteadyMed (STDY) SC 13D/A SteadyMed Ltd.

Exhibit 1

JOINT FILING AGREEMENT

The undersigned hereby agree that the Statement on Schedule 13D, dated May 1, 2018, with respect to the ordinary shares of SteadyMed Ltd. is filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. Each of the undersigned agrees to be responsible for the timely filing of this Statement, and for the completeness and accuracy of the information concerning itself contained therein. This Agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.

IN WITNESS WHEREOF, the undersigned have executed this Agreement as of the 1st day of May, 2018.

ORBIMED ADVISORS LLC
By:	/s/ Jonathan T. Silverstein
	Name: Jonathan T. Silverstein
	Title: Member of OrbiMed Advisors LLC
By:	/s/ Sven H. Borho
	Name: Sven H. Borho Title: Member of OrbiMed Advisors LLC
By:	/s/ Carl L. Gordon
	Name: Carl L. Gordon
	Title: Member of OrbiMed Advisors LLC
ORBIMED ADVISORS ISRAEL II LIMITED
By:	/s/ Carl L. Gordon
	Name: Carl L. Gordon
	Title: Director
ORBIMED ISRAEL GP II, L.P.
By:	ORBIMED ADVISORS ISRAEL II LIMITED, its general partner
By:	/s/ Carl L. Gordon
	Name: Carl L. Gordon
	Title: Director
ORBIMED CAPITAL GP VI LLC
By:	ORBIMED ADVISORS LLC, its managing member
By:	/s/ Jonathan T. Silverstein
	Name: Jonathan T. Silverstein
	Title: Member of OrbiMed Advisors LLC
By:	/s/ Sven H. Borho
	Sven H. Borho
	Member of OrbiMed Advisors LLC
By:	/s/ Carl L. Gordon
	Carl L. Gordon
	Member of OrbiMed Advisors LLC